Simplify- 5-2 -98-162

The correct option is A 7√(2) 5√(2) √(98)+√(162) =√(50) √(98)+√(162) =5√(2) 7√(2)+9√(2) =√(2)(5 7+9)=7√(2) ...

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Operations on Rational and Irrational Numbers

Simplify: 5√...

Question

Simplify:
$5 \sqrt{2} - \sqrt{98} + \sqrt{162}$

7 \sqrt{2}

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6 \sqrt{2}

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3 \sqrt{2}

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none

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\frac{7 \sqrt{3}}{\sqrt{10} + \sqrt{3}} - \frac{2 \sqrt{5}}{\sqrt{6} + \sqrt{5}} - \frac{3 \sqrt{2}}{\sqrt{15} + 3 \sqrt{2}}

Simplify: $\frac{7 \sqrt{3}}{\sqrt{10} + \sqrt{3}} - \frac{2 \sqrt{5}}{\sqrt{6} + \sqrt{5}} - \frac{3 \sqrt{2}}{\sqrt{15} + 3 \sqrt{2}}$ .

Question 98(iv)

Simplify
$(2^{5} \div 2^{8}) \times 2^{- 7}$

Question 98(iv)

Simplify
$(2^{5} \div 2^{8}) \times 2^{- 7}$

36 y^{3} (50 y^{2} - 98) \div 26 y^{2} (5 y + 7)

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